Khmer Knowledge vs Rocket English
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Khmer Knowledge
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Khmer General Knowledge is brand new app for sharing general knowledge to people. It contains a lot of information, knowledge, educational materials for people including children. By using this app, people can get information such as health tips, quote from successful people, education video, Khmer History, Khmer Literature, background and biology of famous people around the world, Khmer Poems, Khmer Culture, Khmer Riddle Question, and Khmer Proverb. We also add entertainment material to app such as TV Live, Radios Live for people to get news, entertaining program.... WHAT'S NEW - Learn Japanese and Korean - Lesson of life, golden quotes - Leadership World - History of Cambodia, and the World - Biologies of Famous People - Khmer Literature - Khmer Fairy Tales - Health and Beauty Tips - Food and Dessert
Rocket English
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Khmer language and Lao language are also available. A learning app for basic English vocabulary. Easy-to-understand operation makes it easy to memorize words! Check pronunciation with the English word reading function. You can also quickly search for words within the app. Uppercase and lowercase English alphabet. Includes example words. Quizzes that you can play casually in your spare time. We offer four different quiz formats so you won't get bored. Once you get used to it, try the final 100-question quiz!
Screenshots
Verdict
The clearest difference is in-app purchases: Khmer Knowledge at none against Rocket English's 1. Khmer Knowledge also leads on ads (none vs shown) and update cadence (every 3 months vs every 12 months). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Rocket English sells 1 one-off in-app purchase. Khmer Knowledge asks for nothing beyond the download.
Khmer Knowledge ships an update every 3 months, Rocket English every 12 months. The most recent releases landed on September 10, 2026 and September 5, 2026 respectively.
| Parameter | Khmer Knowledge | Rocket English |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 12 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.1 |
| Further details — not scored | ||
| Size | 15 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Socheat Leng | SHINGO MATSUO |
In-app purchases
Khmer Knowledge
No in-app purchases
Rocket English
- Remove Ads$3.99
Questions
Is Khmer Knowledge free?
Is Rocket English free?
Do Khmer Knowledge or Rocket English have ads?
Which is updated more often, Khmer Knowledge or Rocket English?
Other comparisons
